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PS Ch. 5 Vocab ER
Chapter 5 vocab.
Question | Answer |
---|---|
is the transfer of energy that occurs when a force makes an object move. | Work |
the amount of work done in one second. | Power |
A device that makes doing work easier. | Machine |
Force that is applied to a machine. | Input Force |
The force applied by the machine. | Output Force |
The ratio of the output force to the input force of a machine. | Mechanical Advantage |
A measure of how much of the work put into a machine is changed into useful output work by the machine. | Efficiency |